EP0423718A3 - Television signal convertor - Google Patents

Television signal convertor Download PDF

Info

Publication number
EP0423718A3
EP0423718A3 EP19900119830 EP90119830A EP0423718A3 EP 0423718 A3 EP0423718 A3 EP 0423718A3 EP 19900119830 EP19900119830 EP 19900119830 EP 90119830 A EP90119830 A EP 90119830A EP 0423718 A3 EP0423718 A3 EP 0423718A3
Authority
EP
European Patent Office
Prior art keywords
television signal
signal convertor
convertor
television
signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP19900119830
Other languages
English (en)
Other versions
EP0423718A2 (en
Inventor
Yoshikazu Asano
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Publication of EP0423718A2 publication Critical patent/EP0423718A2/en
Publication of EP0423718A3 publication Critical patent/EP0423718A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/01Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/01Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • H04N7/0125Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level one of the standards being a high definition standard
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/007Systems with supplementary picture signal insertion during a portion of the active part of a television signal, e.g. during top and bottom lines in a HDTV letter-box system
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/015High-definition television systems
    • H04N7/0152High-definition television systems using spatial or temporal subsampling
EP19900119830 1989-10-17 1990-10-16 Television signal convertor Withdrawn EP0423718A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP269298/89 1989-10-17
JP1269298A JPH03132185A (ja) 1989-10-17 1989-10-17 テレビジョン信号変換器

Publications (2)

Publication Number Publication Date
EP0423718A2 EP0423718A2 (en) 1991-04-24
EP0423718A3 true EP0423718A3 (en) 1992-08-05

Family

ID=17470402

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900119830 Withdrawn EP0423718A3 (en) 1989-10-17 1990-10-16 Television signal convertor

Country Status (4)

Country Link
US (1) US5103308A (un)
EP (1) EP0423718A3 (un)
JP (1) JPH03132185A (un)
KR (1) KR950009450B1 (un)

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6353735B1 (en) 1998-10-21 2002-03-05 Parkervision, Inc. MDG method for output signal generation
US6370371B1 (en) 1998-10-21 2002-04-09 Parkervision, Inc. Applications of universal frequency translation
US6421534B1 (en) 1998-10-21 2002-07-16 Parkervision, Inc. Integrated frequency translation and selectivity
US6542722B1 (en) 1998-10-21 2003-04-01 Parkervision, Inc. Method and system for frequency up-conversion with variety of transmitter configurations
US6560301B1 (en) 1998-10-21 2003-05-06 Parkervision, Inc. Integrated frequency translation and selectivity with a variety of filter embodiments
US6580902B1 (en) 1998-10-21 2003-06-17 Parkervision, Inc. Frequency translation using optimized switch structures
US6647250B1 (en) 1998-10-21 2003-11-11 Parkervision, Inc. Method and system for ensuring reception of a communications signal
US6694128B1 (en) 1998-08-18 2004-02-17 Parkervision, Inc. Frequency synthesizer using universal frequency translation technology
US6704549B1 (en) 1999-03-03 2004-03-09 Parkvision, Inc. Multi-mode, multi-band communication system
US6704558B1 (en) 1999-01-22 2004-03-09 Parkervision, Inc. Image-reject down-converter and embodiments thereof, such as the family radio service
US6813485B2 (en) 1998-10-21 2004-11-02 Parkervision, Inc. Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same
US7653158B2 (en) 2001-11-09 2010-01-26 Parkervision, Inc. Gain control in a communication channel
US7653145B2 (en) 1999-08-04 2010-01-26 Parkervision, Inc. Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations
US7693230B2 (en) 1999-04-16 2010-04-06 Parkervision, Inc. Apparatus and method of differential IQ frequency up-conversion
US7724845B2 (en) 1999-04-16 2010-05-25 Parkervision, Inc. Method and system for down-converting and electromagnetic signal, and transforms for same
US7773688B2 (en) 1999-04-16 2010-08-10 Parkervision, Inc. Method, system, and apparatus for balanced frequency up-conversion, including circuitry to directly couple the outputs of multiple transistors
US7822401B2 (en) 2000-04-14 2010-10-26 Parkervision, Inc. Apparatus and method for down-converting electromagnetic signals by controlled charging and discharging of a capacitor
US7865177B2 (en) 1998-10-21 2011-01-04 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships
US7894789B2 (en) 1999-04-16 2011-02-22 Parkervision, Inc. Down-conversion of an electromagnetic signal with feedback control
US7991815B2 (en) 2000-11-14 2011-08-02 Parkervision, Inc. Methods, systems, and computer program products for parallel correlation and applications thereof
US8019291B2 (en) 1998-10-21 2011-09-13 Parkervision, Inc. Method and system for frequency down-conversion and frequency up-conversion
US8160196B2 (en) 2002-07-18 2012-04-17 Parkervision, Inc. Networking methods and systems
US8233855B2 (en) 1998-10-21 2012-07-31 Parkervision, Inc. Up-conversion based on gated information signal
US8295406B1 (en) 1999-08-04 2012-10-23 Parkervision, Inc. Universal platform module for a plurality of communication protocols
US8407061B2 (en) 2002-07-18 2013-03-26 Parkervision, Inc. Networking methods and systems

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69121626T2 (de) * 1990-04-26 1997-02-20 Canon Kk Einrichtung zur Fernsehsignalumwandlung
US5315327A (en) * 1991-05-21 1994-05-24 Sony Corporation High scanning rate to standard scanning rate television signal converter with smooth moving edge conversion
KR0154134B1 (ko) * 1991-06-29 1998-11-16 강진구 뮤즈/엔티에스시방식 변환장치
US5229853A (en) * 1991-08-19 1993-07-20 Hewlett-Packard Company System for converting a video signal from a first format to a second format
KR0155688B1 (ko) * 1991-09-28 1998-11-16 강진구 텔레비젼신호 변환장치
KR0146695B1 (ko) * 1991-09-30 1998-09-15 강진구 텔레비젼신호 변환방식 및 장치
GB9217098D0 (en) * 1992-08-12 1992-09-23 British Broadcasting Corp Derivation of studio camera position and motion from the camera image
US6262779B1 (en) * 1998-02-10 2001-07-17 Hitachi, Ltd Display apparatus with circuit expanding horizontal retrace interval of horizontal deflection current
AU761083B2 (en) * 1998-06-03 2003-05-29 Gpi Nil Holdings, Inc. Pipecolic acid derivative hair growth compositions and uses
JP4472585B2 (ja) * 2005-06-14 2010-06-02 オリンパス株式会社 送信装置および被検体内情報取得システム
CN100455005C (zh) * 2005-09-29 2009-01-21 西安交通大学 数字高清晰度电视芯片输入高清晰电视和计算机信号方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4661850A (en) * 1986-01-31 1987-04-28 Rca Corporation Progressive scan television system with interlaced inter-field sum and difference components

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4633293A (en) * 1983-09-26 1986-12-30 Rca Corporation High definition television signal for film-television standards conversion system
US4603350A (en) * 1984-12-21 1986-07-29 Rca Corporation Interlaced digital video input filter/decimator and/or expander/interpolator filter
US4692801A (en) * 1985-05-20 1987-09-08 Nippon Hoso Kyokai Bandwidth compressed transmission system
JP2612893B2 (ja) * 1988-04-01 1997-05-21 日本放送協会 テレビジョン信号走査変換伝送方法
JP2713973B2 (ja) * 1988-04-08 1998-02-16 株式会社日立製作所 テレビジョン信号の伝送方法及び再生方法
JP2799713B2 (ja) * 1988-09-29 1998-09-21 パイオニア株式会社 Muse―ntsc変換方式
JP2594153B2 (ja) * 1989-07-14 1997-03-26 三洋電機株式会社 Muse/ntscコンバータ
US5001562A (en) * 1989-07-21 1991-03-19 Pioneer Electronic Corporation Scanning line converting system for displaying a high definition television system video signal on a TV receiver
JPH0385976A (ja) * 1989-08-30 1991-04-11 Sanyo Electric Co Ltd テレビジョン方式変換装置
JP2763346B2 (ja) * 1989-09-19 1998-06-11 日本放送協会 走査線数逓降ダウンコンバータ用走査線変換垂直フィルタ

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4661850A (en) * 1986-01-31 1987-04-28 Rca Corporation Progressive scan television system with interlaced inter-field sum and difference components

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
IEEE TRANSACTIONS ON CONSUMER ELECTRONICS vol. 35, no. 3, August 1989, NEW YORK, US pages 142 - 150; M. ITOGA ET AL.: 'MUSE/NTSC Converter' *
SIGNAL PROCESSING OF HDTV, II Proceedings of the Third International Workshop on HDTV; Turin, Italy, 30.08.-1.09.1989 Y. MITZUTANI et al.:'Scanning Line Conversion from MUSE to EDTV'; pages 657-664 *

Cited By (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6694128B1 (en) 1998-08-18 2004-02-17 Parkervision, Inc. Frequency synthesizer using universal frequency translation technology
US7826817B2 (en) 1998-10-21 2010-11-02 Parker Vision, Inc. Applications of universal frequency translation
US8190116B2 (en) 1998-10-21 2012-05-29 Parker Vision, Inc. Methods and systems for down-converting a signal using a complementary transistor structure
US6542722B1 (en) 1998-10-21 2003-04-01 Parkervision, Inc. Method and system for frequency up-conversion with variety of transmitter configurations
US7865177B2 (en) 1998-10-21 2011-01-04 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships
US6580902B1 (en) 1998-10-21 2003-06-17 Parkervision, Inc. Frequency translation using optimized switch structures
US6647250B1 (en) 1998-10-21 2003-11-11 Parkervision, Inc. Method and system for ensuring reception of a communications signal
US6687493B1 (en) 1998-10-21 2004-02-03 Parkervision, Inc. Method and circuit for down-converting a signal using a complementary FET structure for improved dynamic range
US6370371B1 (en) 1998-10-21 2002-04-09 Parkervision, Inc. Applications of universal frequency translation
US8340618B2 (en) 1998-10-21 2012-12-25 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships
US8233855B2 (en) 1998-10-21 2012-07-31 Parkervision, Inc. Up-conversion based on gated information signal
US6798351B1 (en) 1998-10-21 2004-09-28 Parkervision, Inc. Automated meter reader applications of universal frequency translation
US6813485B2 (en) 1998-10-21 2004-11-02 Parkervision, Inc. Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same
US6836650B2 (en) 1998-10-21 2004-12-28 Parkervision, Inc. Methods and systems for down-converting electromagnetic signals, and applications thereof
US6421534B1 (en) 1998-10-21 2002-07-16 Parkervision, Inc. Integrated frequency translation and selectivity
US8190108B2 (en) 1998-10-21 2012-05-29 Parkervision, Inc. Method and system for frequency up-conversion
US8160534B2 (en) 1998-10-21 2012-04-17 Parkervision, Inc. Applications of universal frequency translation
US7693502B2 (en) 1998-10-21 2010-04-06 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, transforms for same, and aperture relationships
US8019291B2 (en) 1998-10-21 2011-09-13 Parkervision, Inc. Method and system for frequency down-conversion and frequency up-conversion
US7936022B2 (en) 1998-10-21 2011-05-03 Parkervision, Inc. Method and circuit for down-converting a signal
US7937059B2 (en) 1998-10-21 2011-05-03 Parkervision, Inc. Converting an electromagnetic signal via sub-sampling
US7697916B2 (en) 1998-10-21 2010-04-13 Parkervision, Inc. Applications of universal frequency translation
US6353735B1 (en) 1998-10-21 2002-03-05 Parkervision, Inc. MDG method for output signal generation
US6560301B1 (en) 1998-10-21 2003-05-06 Parkervision, Inc. Integrated frequency translation and selectivity with a variety of filter embodiments
US6704558B1 (en) 1999-01-22 2004-03-09 Parkervision, Inc. Image-reject down-converter and embodiments thereof, such as the family radio service
US6704549B1 (en) 1999-03-03 2004-03-09 Parkvision, Inc. Multi-mode, multi-band communication system
US7929638B2 (en) 1999-04-16 2011-04-19 Parkervision, Inc. Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments
US7773688B2 (en) 1999-04-16 2010-08-10 Parkervision, Inc. Method, system, and apparatus for balanced frequency up-conversion, including circuitry to directly couple the outputs of multiple transistors
US7894789B2 (en) 1999-04-16 2011-02-22 Parkervision, Inc. Down-conversion of an electromagnetic signal with feedback control
US7693230B2 (en) 1999-04-16 2010-04-06 Parkervision, Inc. Apparatus and method of differential IQ frequency up-conversion
US8036304B2 (en) 1999-04-16 2011-10-11 Parkervision, Inc. Apparatus and method of differential IQ frequency up-conversion
US8077797B2 (en) 1999-04-16 2011-12-13 Parkervision, Inc. Method, system, and apparatus for balanced frequency up-conversion of a baseband signal
US7724845B2 (en) 1999-04-16 2010-05-25 Parkervision, Inc. Method and system for down-converting and electromagnetic signal, and transforms for same
US8229023B2 (en) 1999-04-16 2012-07-24 Parkervision, Inc. Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments
US8594228B2 (en) 1999-04-16 2013-11-26 Parkervision, Inc. Apparatus and method of differential IQ frequency up-conversion
US8224281B2 (en) 1999-04-16 2012-07-17 Parkervision, Inc. Down-conversion of an electromagnetic signal with feedback control
US8223898B2 (en) 1999-04-16 2012-07-17 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same
US8295406B1 (en) 1999-08-04 2012-10-23 Parkervision, Inc. Universal platform module for a plurality of communication protocols
US7653145B2 (en) 1999-08-04 2010-01-26 Parkervision, Inc. Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations
US7822401B2 (en) 2000-04-14 2010-10-26 Parkervision, Inc. Apparatus and method for down-converting electromagnetic signals by controlled charging and discharging of a capacitor
US8295800B2 (en) 2000-04-14 2012-10-23 Parkervision, Inc. Apparatus and method for down-converting electromagnetic signals by controlled charging and discharging of a capacitor
US7991815B2 (en) 2000-11-14 2011-08-02 Parkervision, Inc. Methods, systems, and computer program products for parallel correlation and applications thereof
US7653158B2 (en) 2001-11-09 2010-01-26 Parkervision, Inc. Gain control in a communication channel
US8446994B2 (en) 2001-11-09 2013-05-21 Parkervision, Inc. Gain control in a communication channel
US8160196B2 (en) 2002-07-18 2012-04-17 Parkervision, Inc. Networking methods and systems
US8407061B2 (en) 2002-07-18 2013-03-26 Parkervision, Inc. Networking methods and systems

Also Published As

Publication number Publication date
EP0423718A2 (en) 1991-04-24
US5103308A (en) 1992-04-07
JPH03132185A (ja) 1991-06-05
KR910009091A (ko) 1991-05-31
KR950009450B1 (ko) 1995-08-22

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